Home / 253,587.33-380,418.08-76,108.37

Finding the Fourth Proportional to 253,587.33, 380,418.08 and 76,108.37

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Solution

The fourth proportional to 253,587.33, 380,418.08 and 76,108.37 is: 114,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,587.33 : 380,418.08 = 76,108.37 : x
  2. Step 2: Convert to fraction form
    253,587.33/380,418.08 = 76,108.37/x
  3. Step 3: Cross multiply
    253,587.33x = 380,418.08 × 76,108.37
  4. Step 4: Simplify right side
    253,587.33x = 28,952,999,987.33
  5. Step 5: Solve for x
    x = 28,952,999,987.33/253,587.33
  6. Step 6: Final answer
    x = 114,173.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.